<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>AI 智能助手</title>
    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome/svgs/solid/robot.svg">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #1a1a1a, #0a192f);
            color: #fff;
            min-height: 100vh;
        }

        .navbar {
            padding: 1rem 5%;
            background: rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo img {
            height: 40px;
            margin-right: 10px;
        }

        .logo-text {
            color: #64ffda;
            font-size: 1.5rem;
            font-weight: bold;
        }

        .navbar ul {
            list-style: none;
            display: flex;
            justify-content: flex-end;
            gap: 2rem;
        }

        .navbar a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .navbar a:hover {
            color: #64ffda;
        }

        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, #64ffda33, #0a192f33);
            animation: rotate 20s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            padding: 2rem;
        }

        h1 {
            font-size: 4rem;
            margin-bottom: 1rem;
            background: linear-gradient(45deg, #64ffda, #88cfff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .subtitle {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            color: #88cfff;
        }

        .cta-button {
            display: inline-block;
            padding: 1rem 2rem;
            background: linear-gradient(45deg, #64ffda, #88cfff);
            border: none;
            border-radius: 30px;
            color: #0a192f;
            font-weight: bold;
            text-decoration: none;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(100, 255, 218, 0.2);
        }

        .features {
            padding: 5rem 10%;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.05);
            padding: 2rem;
            border-radius: 15px;
            backdrop-filter: blur(5px);
            transition: transform 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-10px);
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }

            .subtitle {
                font-size: 1.2rem;
            }
        }
    </style>
</head>
<body>
    <nav class="navbar">
        <div class="logo">
            <img src="https://cdn-icons-png.flaticon.com/512/4616/4616040.png" alt="AI助手Logo">
            <span class="logo-text">AI助手</span>
        </div>
        <ul>
            <li><a href="#home">首页</a></li>
            <li><a href="/prompts/dictionary/">智能词典</a></li>
            <li><a href="/prompts/">提示词管理平台</a></li>
            <li><a href="/static/sdk-test.html">SDK测试</a></li>
            <li><a href="#about">关于</a></li>
            <li><a href="/demo/login">登录</a></li>
        </ul>
    </nav>

    <section class="hero" id="home" style="background-image: url('https://img.freepik.com/free-vector/gradient-network-connection-background_23-2148865392.jpg'); background-size: cover; background-position: center;">
        <div class="hero-content">
            <h1>AI 智能助手</h1>
            <p class="subtitle">释放人工智能的无限可能</p>
            <a href="#features" class="cta-button">开始体验</a>
        </div>
    </section>

    <section class="features" id="features">
        <div class="feature-card">
            <div class="feature-icon">
                <i class="fas fa-comments"></i>
            </div>
            <h3>智能对话</h3>
            <p>基于先进的自然语言处理技术，提供流畅的人机交互体验</p>
            <div class="feature-gradient"></div>
        </div>
        <div class="feature-card">
            <div class="feature-icon">
                <i class="fas fa-layer-group"></i>
            </div>
            <h3>多场景应用</h3>
            <p>适用于教育、商业、创作等多个领域，满足不同需求</p>
            <div class="feature-gradient"></div>
        </div>
        <div class="feature-card">
            <div class="feature-icon">
                <i class="fas fa-brain"></i>
            </div>
            <h3>持续学习</h3>
            <p>通过机器学习不断进化，提供更准确的响应</p>
            <div class="feature-gradient"></div>
        </div>
        <div class="feature-card">
            <div class="feature-icon">
                <i class="fas fa-shield-alt"></i>
            </div>
            <h3>安全可靠</h3>
            <p>严格的数据保护机制，确保您的信息安全</p>
            <div class="feature-gradient"></div>
        </div>
        <style>
            .features {
                padding: 5rem 10%;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
                gap: 2.5rem;
            }
            
            .feature-card {
                position: relative;
                background: rgba(255, 255, 255, 0.03);
                padding: 2.5rem 2rem;
                border-radius: 20px;
                border: 1px solid rgba(255, 255, 255, 0.1);
                backdrop-filter: blur(10px);
                transition: all 0.4s ease;
                overflow: hidden;
                text-align: center;
            }
            
            .feature-card:hover {
                transform: translateY(-10px);
                border-color: #64ffda;
                box-shadow: 0 10px 30px rgba(100, 255, 218, 0.1);
            }
            
            .feature-icon {
                font-size: 2.5rem;
                color: #64ffda;
                margin-bottom: 1.5rem;
            }
            
            .feature-card h3 {
                color: #fff;
                font-size: 1.5rem;
                margin-bottom: 1rem;
                position: relative;
                z-index: 1;
            }
            
            .feature-card p {
                color: rgba(255, 255, 255, 0.8);
                line-height: 1.6;
                position: relative;
                z-index: 1;
            }
            
            .feature-gradient {
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: linear-gradient(135deg, rgba(100, 255, 218, 0.1), rgba(136, 207, 255, 0.1));
                opacity: 0;
                transition: opacity 0.4s ease;
            }
            
            .feature-card:hover .feature-gradient {
                opacity: 1;
            }
        </style>
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
    </section>

    <footer class="footer">
        <div class="footer-content">
            <div class="footer-section about">
                <h2>关于我们</h2>
                <p>我们致力于提供最先进的人工智能解决方案，帮助您释放无限可能。</p>
            </div>
            <div class="footer-section links">
                <h2>快速链接</h2>
                <ul>
                    <li><a href="#home">首页</a></li>
                    <li><a href="#features">功能</a></li>
                    <li><a href="/prompts/">提示词管理平台</a></li>
                    <li><a href="#about">关于</a></li>
                    <li><a href="/demo/login">登录</a></li>
                </ul>
            </div>
            <div class="footer-section contact">
                <h2>联系我们</h2>
                <p>Email: support@aiassistant.com</p>
                <p>电话: +123 456 7890</p>
            </div>
        </div>
        <div class="footer-bottom">
            <p>&copy; 2023 AI 智能助手. 保留所有权利.</p>
        </div>
    </footer>
    <style>
        .footer {
            background: #0a192f;
            color: #fff;
            padding: 2rem 5%;
            text-align: center;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .footer-section {
            flex: 1;
            margin: 1rem;
        }

        .footer-section h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .footer-section p, .footer-section ul {
            font-size: 1rem;
            line-height: 1.5;
        }

        .footer-section ul {
            list-style: none;
            padding: 0;
        }

        .footer-section ul li {
            margin-bottom: 0.5rem;
        }

        .footer-section ul li a {
            color: #64ffda;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-section ul li a:hover {
            color: #45e6c4;
        }

        .footer-bottom {
            margin-top: 2rem;
            font-size: 0.9rem;
        }
    </style>

    <script>
        // 平滑滚动效果
        document.querySelectorAll('a[href^="#"]').forEach(anchor => {
            anchor.addEventListener('click', function (e) {
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